Move knownfs that work to no longer be knownf, tested via tox.

Add simple eval example, base builtin on exec, gets `functools.part…

Built-in odict is a lifted type for now (i.e. we do not wrap it in an…

Get enum convert test passing, private API changed in 3.9

Get flake8 to check for unused imports.

Factor out EFrame to own module.

Add 3.7 to CI.

pycodestyle for 3.9

Make a way to run a particular test case.

Make generic alias test run on 3.7+ and version the MAP_ADD op, order…

Downscope workflow to 3.9 for now but add TOX instructions and deadsn…

Use pycodestyle compatible with 3.7

Use tox!

Upgrade pyfakefs.

collections-based tests now passing, move out of knownf set.

Allow EClassMethod to decorate arbitrary EPyObjects not just EFunctions.

Add another sample for user defined enum.

Break fixes.

Fix code to conform to type annotation for fuzz infra -- not bad to j…

Now we can mypy check all files in the echo dir.

Bring call_profiler.py to mypy compliance.

Bring cpython_tracer.py to mypy compliance.

Get ctype_frame.py into mypy compliance.

efunction_type.py to mypy compliance

Bring frame_objects.py into mypy compliance.

Get import_routines.py mypy compliant.

Get egenerator to type check with mypy.

Bring builtin_build_class.py to mypy compliance.

Bring builtin_tuple.py into mypy compliance.

Bring builtin_list.py into mypy compliance.